The unit of rate constant for the reaction obeying rate expression, `r=K[A]^1[B]^(2//3)` IS:

Options

A. `Mol^(-2//3)litre^(2//3)time^-1`
B. `Mol^(2//3)litre^(-2//3)time^-1`
C. `Mol^(-5//3)litre^(-2//3)time^-1`
D. None of these

Answer

A